body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f9f9f9;
}

.progress-indicator {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 400px;
}

.step {
    display: flex;
    align-items: center;
    flex: 1;
    position: relative;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -50%;
    width: 100%;
    height: 2px;
    background-color: #ccc;
    z-index: -1;
}

.step .icon {
    width: 20px;
    height: 20px;
    background-color: #ccc;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
}

.step .label {
    font-size: 14px;
    color: #666;
}

/* 当前步骤样式 */
.step.current .icon {
    background-color: #007bff;
    color: white;
}

.step.current .label {
    color: #007bff;
}

.step.current:not(:last-child)::after {
    background-color: #007bff;
}